Two marks exercise problems IV — task. Mathematics State Board, Class 9.

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Answer variants:

\frac{1}{9}

\frac{1}{27}

\frac{25}{16}

- \frac{16}{25}

\(7\)

\frac{16}{25}

- \frac{1}{27}

\(10\)

\(9\)

- \frac{1}{9}

Find the value of:

(i)

{(49)}^{\frac{1}{2}}

\(=\)

(ii)

{(243)}^{\frac{2}{5}}

\(=\)

(iii)

9^{\frac{- 3}{2}}

\(=\)

(iv)

{(\frac{64}{125})}^{\frac{- 3}{2}}

\(=\)

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